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JP2002537422A5
JP2002537422A5 JP2000599794A JP2000599794A JP2002537422A5 JP 2002537422 A5 JP2002537422 A5 JP 2002537422A5 JP 2000599794 A JP2000599794 A JP 2000599794A JP 2000599794 A JP2000599794 A JP 2000599794A JP 2002537422 A5 JP2002537422 A5 JP 2002537422A5
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formula
porous polymer
radical
hydrogen
polymerizable component
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Priority claimed from PCT/EP2000/001267 external-priority patent/WO2000049058A1/en
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【特許請求の範囲】
【請求項1】
(i)式(1)で示されるフリーラジカル重合性不飽和モノマーを含む重合性成分
Q−X−A (1)
〔式中、Qは、式(2):
【化1】

Figure 2002537422
で示されるラジカルであり、
1は、式(3a)又は(3b):
【化2】
Figure 2002537422
で示されるラジカルであり、
(alk)は、直鎖状又は分岐状のC2−C12−アルキレンであり、
(alk′)は、直鎖状又は分岐状のC1−C12−アルキレンであり、
Rは、更に置換されていてもよい2〜24個の炭素原子を有するオレフィン性不飽和の共重合性ラジカルであり、
s及びtのそれぞれは、他方とは独立に、0又は1の数であり、
Xは、基:−O−、−S−又は−NR1−であり、R1は、水素、C1−C4−アルキル又はラジカルAであり、そして
Aは、式(4):
−〔(CH2a−(Y)z−(CHF)b−(CF2c〕−R2 (4)
(式中、R2は、水素又はフッ素であり、Yは、基:−N(R3)SO2−、−OSO2−、−OC(O)−又は−N(R3)C(O)−であり、R3は、水素又はC1−C4−アルキルであり、zは、0又は1の整数であり、aは、1〜15の整数であり、bは、0〜6の整数であり、そしてcは、1〜20の整数である)で示されるラジカルであるか、あるいは
Aは、部分的又は全体的にフッ素化されているC4−C8−シクロアルキルである〕、
並びに必要に応じて
(ii)コモノマー及び/又は
(iii)架橋剤
を重合することにより得られる多孔性ポリマーであって
水で完全に膨潤すると、多孔性促進条件を除く従来条件下で重合される同じポリマーよりも高い含水量を有し、個々の孔の平均孔径が少なくとも10 nmである多孔性ポリマー。
【請求項2】
多孔性が、10000ダルトンまで、および10000ダルトンを超えるポリマー重量のタンパク質および他の生物学的高分子の流入を許容するのに充分であるが、角膜アンレーの光軸領域への細胞及び組織侵入を許容するのには充分でなく、
完全に膨潤すると、5−60 wt%の含水量を有する、
請求項1記載の多孔性ポリマー。
【請求項3】
Qが、式(2)〔ここで、sが、0であり、Q1が、上記式(3a)のラジカルであり、tが、0であり、そしてRが、式(5)で示されるラジカルである:
【化3】
Figure 2002537422
(式中、lは、0の数であり、R4は、水素、C1−C4−アルキル又はハロゲンであり、そしてR5及びR6のそれぞれは、他方とは独立に、水素、C1−C4−アルキル、フェニル、カルボキシ又はハロゲンである)〕である、請求項1記載の多孔性ポリマー。
【請求項4】
Qが、下記式:
【化4】
Figure 2002537422
で示されるラジカルである、請求項1〜3のいずれか1項記載の多孔性ポリマー。
【請求項5】
Xが、−O−、−NH−又は−N(C1−C2−アルキル)−である、請求項1〜のいずれか1項記載の多孔性ポリマー。
【請求項6】
Aが、式(4)(ここで、R2は、水素又はフッ素であり、zは、0であり、aは、1〜4であり、bは、0〜4であり、そしてcは、1〜10である)のラジカルである、請求項1〜のいずれか1項記載の多孔性ポリマー。
【請求項7】
Aが、式(4a):
−(CH2a−(CF2c−R2 (4a)
で示されるラジカルであり、R2は、水素又はフッ素であり、aは、1又は2の整数であり、そしてcは、1〜10の整数である、請求項1〜のいずれか1項記載の多孔性ポリマー。
【請求項8】
重合性成分が、式(1)〔ここで、Qは、下記式:
【化5】
Figure 2002537422
で示されるラジカルであり、Xは、−O−、−NH−又は−N(C1−C2−アルキル)−であり、そしてAは、式(4a):
−(CH2a−(CF2c−R2 (4a)
(式中、R2は、水素又はフッ素であり、aは、1又は2の整数であり、そしてcは、1〜10の整数である)で示されるラジカルである〕のモノマーを含む、請求項1記載の多孔性ポリマー。
【請求項9】
重合性成分が、式(1)の1種又は異なる2種以上のモノマーからなる、請求項1〜のいずれか1項記載の多孔性ポリマー。
【請求項10】
重合性成分が、式(1)の1種又は異なる2種以上のモノマー及び架橋剤からなる、請求項1〜のいずれか1項記載の多孔性ポリマー。
【請求項11】
架橋剤が、モノ−、ジ−、トリ−若しくはテトラエチレングリコールジアクリラート若しくはジメタクリラート又は式(6):
2C=CR8-C(O)O-H2C-(CF2)1-10-CH2-O(O)C-CR8=CH2 (6)
〔式中、R8は、水素又はメチルである〕で示されるフッ素化化合物である、請求項10記載の多孔性ポリマー。
【請求項12】
重合性成分が、式(1)の1種又は異なる2種以上のモノマー、1種又は異なる2種以上の親水性コモノマー及び架橋剤からなる、請求項1〜のいずれか1項記載の多孔性ポリマー。
【請求項13】
a)重合性成分及び有機溶媒を含む混合物を形成する工程(ここで、重合性成分は、請求項1記載の式(1)のフリーラジカル重合性不飽和モノマー、並びに必要に応じて更に別のコモノマー及び/又は架橋剤を含む);
b)該混合物を重合する工程(ここで、該混合物の重合直後に、少なくとも実質的な比率の該有機溶媒が、離散相の形にあり、そして該離散有機溶媒相が、混合物全体に相互貫通ネットワークを形成するか、又は混合物全体に分散される);並びに
c)離散有機溶媒相を除去する工程
を含む、請求項1記載の多孔性ポリマーの製造方法。
【請求項14】
有機溶媒が、C2−C8−アルコールである、請求項13記載の方法。
【請求項15】
請求項1〜12のいずれか1項記載の多孔性ポリマーを含む成形品。
【請求項16】
生物医学的装置、特に眼科用装置である、請求項15記載の成形品。
【請求項17】
医用インプラントである、請求項15記載の成形品。
【請求項18】
眼用プロテーゼ、特に角膜インプラントである、請求項15記載の成形品。
【請求項19】
創傷治癒包帯である、請求項15記載の成形品。
【請求項20】
細胞増殖材料としての、請求項1記載の重合性成分を重合することにより得られる無孔性又は多孔性ポリマーの使用。
【請求項21】
生物医学的又は生体材料の装置又は応用のための細胞増殖支持性コーティングとしての、請求項1記載の重合性成分を重合することにより得られる無孔性又は多孔性ポリマーの使用。
【請求項22】
移植可能な眼内レンズ又は人工角膜の製造のための、請求項1記載の重合性成分を重合することにより得られる無孔性又は多孔性ポリマーの使用。 [Claims]
(1)
(I) a polymerizable component containing a free radical polymerizable unsaturated monomer represented by the formula (1):
QXA (1)
[Wherein Q is the formula (2):
Embedded image
Figure 2002537422
Is a radical represented by
Q 1 is the formula (3a) or (3b):
Embedded image
Figure 2002537422
Is a radical represented by
(Alk) is a linear or branched C 2 -C 12 -alkylene;
(Alk ′) is a linear or branched C 1 -C 12 -alkylene;
R is an olefinically unsaturated copolymerizable radical having 2 to 24 carbon atoms which may be further substituted;
each of s and t is, independently of the other, a number 0 or 1;
X is a group: —O—, —S— or —NR 1 —, R 1 is hydrogen, C 1 -C 4 -alkyl or a radical A, and A is of the formula (4):
-[(CH 2 ) a- (Y) z- (CHF) b- (CF 2 ) c ] -R 2 (4)
(Wherein R 2 is hydrogen or fluorine and Y is a group: —N (R 3 ) SO 2 —, —OSO 2 —, —OC (O) — or —N (R 3 ) C (O )-, R 3 is hydrogen or C 1 -C 4 -alkyl, z is an integer of 0 or 1, a is an integer of 1 to 15, and b is 0 to 6 Is an integer and c is an integer from 1 to 20), or A is C 4 -C 8 -cycloalkyl which is partially or fully fluorinated. ,
And optionally (ii) a comonomer and / or (iii) a porous polymer obtained by polymerizing a cross-linking agent,
When fully swollen with water, have a high water content than the same polymer polymerized in conventional conditions except porosity promoting conditions, porous polymer average pore size of individual pores is at least 10 nm.
(2)
The porosity is sufficient to allow the influx of proteins and other biological macromolecules up to and over 10,000 Daltons, but does not allow cells and tissues to penetrate the optical axis region of the corneal onlay. Not enough to tolerate,
When fully swollen, it has a water content of 5-60 wt%,
The porous polymer according to claim 1.
(3)
Q is the formula (2) [where s is 0, Q 1 is a radical of the above formula (3a), t is 0, and R is represented by the formula (5) Is a radical:
Embedded image
Figure 2002537422
Wherein 1 is a number of 0, R 4 is hydrogen, C 1 -C 4 -alkyl or halogen, and each of R 5 and R 6 independently of the other is hydrogen, C 1 -C 4 - alkyl, phenyl, carboxy or halogen a is)], according to claim 1 porous polymer according.
(4)
Q is the following formula:
Embedded image
Figure 2002537422
The porous polymer according to any one of claims 1 to 3 , which is a radical represented by the following formula:
(5)
X is, -O -, - NH- or -N (C 1 -C 2 - alkyl) - can be a porous polymer according to any one of claims 1-4.
6.
A is of the formula (4) wherein R 2 is hydrogen or fluorine, z is 0, a is 1-4, b is 0-4, and c is The porous polymer according to any one of claims 1 to 5 , which is a radical of 1 to 10).
7.
A is the formula (4a):
-(CH 2 ) a- (CF 2 ) c -R 2 (4a)
A radical represented in, R 2 is hydrogen or fluorine, a is an integer of 1 or 2, and c is an integer of 1 to 10, any one of claims 1 to 6 A porous polymer as described.
Claim 8.
When the polymerizable component is represented by the formula (1) [where Q is the following formula:
Embedded image
Figure 2002537422
Wherein X is —O—, —NH— or —N (C 1 -C 2 -alkyl) —, and A is of the formula (4a):
-(CH 2 ) a- (CF 2 ) c -R 2 (4a)
Wherein R 2 is hydrogen or fluorine; a is an integer of 1 or 2; and c is an integer of 1 to 10). Item 4. The porous polymer according to Item 1.
9.
The porous polymer according to any one of claims 1 to 8 , wherein the polymerizable component comprises one or more different monomers of the formula (1).
10.
The porous polymer according to any one of claims 1 to 8 , wherein the polymerizable component comprises one or more different monomers of the formula (1) and a crosslinking agent.
11.
The crosslinking agent is mono-, di-, tri- or tetraethylene glycol diacrylate or dimethacrylate or formula (6):
H 2 C = CR 8 -C ( O) O-H 2 C- (CF 2) 1-10 -CH 2 -O (O) C-CR 8 = CH 2 (6)
The porous polymer according to claim 10 , which is a fluorinated compound represented by the formula: wherein R 8 is hydrogen or methyl.
12.
The porosity according to any one of claims 1 to 8 , wherein the polymerizable component comprises one or two or more different monomers of the formula (1), one or two or more different hydrophilic comonomers, and a crosslinking agent. Polymer.
Claim 13
a) a step of forming a mixture comprising a polymerizable component and an organic solvent, wherein the polymerizable component is a free- radical polymerizable unsaturated monomer of the formula (1) according to claim 1; Comonomer and / or crosslinking agent);
b) polymerizing the mixture, wherein, immediately after the polymerization of the mixture, at least a substantial proportion of the organic solvent is in the form of a discrete phase, and the discrete organic solvent phase is interpenetrated throughout the mixture Forming a network or dispersed throughout the mixture); and c) removing the discrete organic solvent phase.
14.
Organic solvent, C 2 -C 8 - an alcohol, The method of claim 13.
15.
A molded article comprising the porous polymer according to any one of claims 1 to 12 .
16.
16. The molded article according to claim 15 , which is a biomedical device, especially an ophthalmic device.
17.
The molded article according to claim 15 , which is a medical implant.
18.
The molded article according to claim 15 , which is an ophthalmic prosthesis, in particular a corneal implant.
(19)
The molded article according to claim 15 , which is a wound healing dressing.
20.
Use of a non-porous or porous polymer obtained by polymerizing the polymerizable component according to claim 1 as a cell growth material.
21.
Use of a non-porous or porous polymer obtained by polymerizing the polymerizable component of claim 1 as a cell growth supporting coating for biomedical or biomaterial devices or applications.
22.
Use of a non-porous or porous polymer obtained by polymerizing the polymerizable component according to claim 1 for the manufacture of an implantable intraocular lens or artificial cornea.

JP2000599794A 1999-02-18 2000-02-16 New biomaterial Pending JP2002537422A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP99103165.9 1999-02-18
EP99103165 1999-02-18
PCT/EP2000/001267 WO2000049058A1 (en) 1999-02-18 2000-02-16 New biomaterials

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JP2002537422A JP2002537422A (en) 2002-11-05
JP2002537422A5 true JP2002537422A5 (en) 2007-04-05

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US (1) US6503958B2 (en)
EP (1) EP1159317B1 (en)
JP (1) JP2002537422A (en)
AT (1) ATE288932T1 (en)
AU (1) AU3155700A (en)
DE (1) DE60018044T2 (en)
WO (1) WO2000049058A1 (en)

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